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Table 2 Observed and expected number of cancers, standardized incidence ratios, and confidence intervals among all pilots

From: Incidence of cancer among licenced commercial pilots flying North Atlantic routes

Cancer site (ICD-10) Obs Exp SIR (95% CI)
All (C00-C97, D09-D47a) 83 92.49 0.90 0.71 to 1.11
 Oesophagus (C15) 2 1.73 1.16 0.13 to 4.18
 Stomach (C16) 3 3.96 0.76 0.15 to 2.21
 Colon and rectum (C18, C20) 7 9.18 0.76 0.31 to 1.57
 Gallbladder (C23) 1 0.10 10.15 0.13 to 56.46
 Larynx (C32) 1 0.85 1.17 0.02 to 6.52
 Bronchus and lung (C33, C34) 5 10.88 0.46 0.15 to 1.07
 Bone (C41) 2 0.09 22.45 2.52 to 81.06
 melanoma (C43) 7 2.12 3.31 1.33 to 6.81
 Other skin cancer (C44) 4 3.75 1.07 0.29 to 2.73
 Penis (C60) 1 0.31 3.18 0.42 to 17.72
 Prostate (C61) 28 24.92 1.12 0.75 to 1.62
 Kidney (C64) 5 4.22 1.18 0.40 to 2.92
 Bladder (C67) 4 6.55 0.61 0.16 to 1.56
 Eye (C69) 1 0.25 3.95 0.05 to 21.97
 Brain (C71, D33) 4 1.69 2.37 0.64 to 6.06
 Thyroid gland (C73) 3 1.41 2.13 0.43 to 6.23
 Cancer without specification of site (C80) 3 1.62 1.85 0.37 to 5.40
 Mature T/NK-cell lymphomas (C84.6) 1 0.32 3.13 0.04 to 17.43
 Chronic lymphocytic leukaemia of B-cell type (C91.1) 1 0.94 1.06 0.01 to 5.91
 Acute myeloid leukaemia (C92.0) 1 0.64 1.56 0.02 to 8.69
Not included in all cancers:     
Basal cell carcinoma of the skin (C44) 31 12.44 2.49 1.69 to 3.54
  1. Abbreviations: International Statistical Classification of Diseases and Related Health Problems 10th Revision (ICD-10), observed (Obs), expected (Exp), standardized incidence ratio (SIR), and confidence interval (CI)
  2. aRelated to brain: D09, D30, D35, D41, D32–33, D42–43, D44 and D46–47